stem cells, ecology, evolution
Early Bird Plumage
Early Bird Plumage
Cristina Luiggi | Sep 15, 2011
After rummaging through thousands of amber inclusions housed at the University of Alberta and the Royal Tyrrell Museum of Paleontology in Canada, researchers discovered 11 amber encased-feather fossils that provide the most detailed picture yet of early feather evolution.
Skipping Pluripotency
Jef Akst | Sep 14, 2011
Researchers are developing ways to convert mature somatic cells from one cell type to another, avoiding the tumor-causing pluripotent stage associated with stem cells.
Behavior Brief
Jessica P. Johnson | Sep 13, 2011
A round-up of recent discoveries in behavior research
Obscure Organelle in Stem Cells and Cancer
Kerry Grens | Sep 11, 2011
Cellular structures known as midbodies, formed during cell division, appear to accumulate in stem cells and cancer cells, hinting at a potential function for these once-disregarded organelles.
Ancient Jelly Simplifies Animal Tree?
Sabrina Richards | Sep 9, 2011
A newly discovered fossil of a nearly 600-million-year-old comb jelly ancestor may call for scientists to rethink early animal evolution.
The Mosaic Pre-Man
Rachel Nuwer and Sabrina Richards | Sep 8, 2011
Newly excavated Australopithecus sediba fossils exhibit a mixture of primitive and more modern features.
Top 7 in Ecology
Bob Grant | Sep 8, 2011
A snapshot of the most highly ranked articles in ecology, from Faculty of 1000
Opinion: The Invasive Ideology
Matthew K. Chew and Scott P. Carroll | Sep 7, 2011
Biologists and conservationists are too eager to demonize non-native species.
Stem Cells Induced for Conservation
Kerry Grens | Sep 4, 2011
Researchers generate pluripotent stem cells from two endangered species in hopes of learning more about the near-extinct animals.
Genetics Paper Retracted
Jessica P. Johnson | Sep 2, 2011
Due to statistical errors, a Science paper claiming that mutation is responsible for genetic variation is retracted.